<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>Document</title>
</head>
<body>
<form action="submit" method="post">
    <label>
        <input type="text" name="username">
        请输入用户名
    </label>请输入用户名 <br>

        <input type="text" name="password">
        请输入表单
    <br>
    <input type="submit" value="注册">
    <br>
    <input type="checkbox" name="hobby" value="football">足球
    <input type="checkbox" name="hobby" value="game">游戏
    <input type="checkbox" name="hobby" value="lean">学习

</form>
</body>
</html>